check_call: Don't try to split if cmd is not a string
check_call: Don't try to split if cmd is not a string

justinjoy/cerbero,flexVDI/cerbero,fluendo/cerbero,fluendo/cerbero,EricssonResearch/cerbero,OptoFidelity/cerbero,fluendo/cerbero,GStreamer/cerbero,shoreflyer/cerbero,centricular/cerbero,centricular/cerbero,GStreamer/cerbero,justinjoy/cerbero,nirbheek/cerbero,EricssonResearch/cerbero,GStreamer/cerbero,shoreflyer/cerbero,fluendo/cerbero,flexVDI/cerbero,atsushieno/cerbero,flexVDI/cerbero,GStreamer/cerbero,OptoFidelity/cerbero,justinjoy/cerbero,nirbheek/cerbero,centricular/cerbero,EricssonResearch/cerbero,flexVDI/cerbero,shoreflyer/cerbero,centricular/cerbero,EricssonResearch/cerbero,OptoFidelity/cerbero,atsushieno/cerbero,justinjoy/cerbero,OptoFidelity/cerbero,nirbheek/cerbero,nirbheek/cerbero,fluendo/cerbero,shoreflyer/cerbero,atsushieno/cerbero,EricssonResearch/cerbero,shoreflyer/cerbero,atsushieno/cerbero,centricular/cerbero,flexVDI/cerbero,atsushieno/cerbero,GStreamer/cerbero